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Water Jet Rocket by
[email protected]
For decades now, companies have been using jets of water under
extremely high pressure to cut through various material, including
steel. The water jet can...
( 1 2 3)
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21 |
1,230 |
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Water as an oxidant? by
Jim Davis
The following small item appeared in the Feb, 1967 (V9,N2) issue of
"Spaceflight":
"United Technology Center scientists have announced the...
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2 |
468 |
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0 |
1,406 |
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Wales Fireball Image NOT a Meteor ?!? by
James Oberg
(1) JUST A SMOKESCREEN: 'METEOR' PIC WHICH FOOLED NASA
The Sun, 7 October 2003
http://www.thesun.co.uk/article/0,,2-2003461335,00.html
By PAUL...
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3 |
1,434 |
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VxWorks (?) Flash File System on the MERs by
Jan C. Vorbrüggen
Does anybody have more technical info, or pointers to such, on the flash
file system used by the MERs? The reason I ask is that JPL's explanation
for Spirit's...
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6 |
1,526 |
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Von-Braunian space stations: what orbit? by
Steve Mazerski
I have grown up thinking some day there will be large
orbital space stations of the type suggested by von Braun
serving as staging points for journeys to the...
( 1 2)
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15 |
1,560 |
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VL Glide Path Accuracy by
redneckj
Would it be reasonable to suggest that a VL RLV
would be able to stay within a 100 meter diameter
path from mach 1 to touchdown?
John Hare
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1 |
528 |
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Visit the Spirit's Heat Shield? by
Kerry S
Why did the Spirit Mars Rover controllers decide not to visit the site
of the crashed heat shield? Would it not have possibly dug a small hole
suitable for...
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4 |
915 |
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0 |
666 |
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Verniers on ARES I ? by
Ken S. Tucker
The J2-X upper stage engine does NOT contribute
to the 1st stage thrust, of the ARES I, and is therefore
a parasitic weight in that...
( 1 2)
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11 |
1,317 |
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Venusian rocketry. by
Ian Stirling
Can practical rocketry be done on the venusian surface, or is it basically
out of the question.
Might things like ejector ramjets be very efficient?
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5 |
1,224 |
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Venus mission in _New Scientist_ by
Geoffrey
An article about some features of the Venus mission design I worked on
last year made the most recent (7 May) issue of _New...
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2 |
519 |
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VASMIR plasma engine's power source? by
Joseph S. Powell, III
I was just glancing at some sites mentioning VASMIR plasma engines, and was
wondering if the power source was nuclear (reactor or RTG?) or solar or some
other...
( 1 2 3)
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28 |
1,828 |
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11 |
1,864 |
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Variable Output RPG by
Earl Colby Pottinger
Hello,
Is it possible to design a RTG so that the daughter products
release more heat at a later date than when it is first assembled. I am
thinking of...
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5 |
645 |
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Vapor as rocket propellant and coolant by
Andrew Nowicki
The cheapest rocket launcher that I can imagine has a
pressure-fed, liquid fuel engine and self pressurized
propellant tanks. The self pressurized tanks...
( 1 2 3)
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21 |
2,012 |
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Vacuum vs. sea-level rocket engine Isp by
Zoltan Szakaly
I am wondering if a rocket engine's performance in the atmosphere
could be improved by changing the operating point, such as mixture
ratio or chamber...
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1 |
1,049 |
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V2 used film cooling by
Vincent Cate
I am reading "Rockets, Missiles, and Men in Space" by Willy Ley,
and was amazed to read that the V2 used "film cooling" or "transpiration".
It had 4 rows of...
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0 |
2,546 |
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16 |
2,007 |
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3 |
807 |
